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Dioxin, Are we at risk?: presented by EPA's Linda Birnbaum PhD

       19 - Why do the body burdens increase over time?

bulletPersistence
bulletResistance to biological, chemical, and physical degradation
bulletLong half life in animals and people
bulletBioaccumulation
bulletDue to persistence in animal tissues
bulletHigher trophic organism have higher concentrations
bulletOlder organisms have higher body burdens than young

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        Audio stream - 19  Note: if audio does not start automatically, click here

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